import static org.junit.Assert.*;

import java.util.Stack;

import org.junit.Test;


public class unitTest extends Stack<String>{
		
	@Test
	
	public void test(){
		Stack<Integer> s = new Stack<Integer>();
		assertTrue(s.isEmpty());
	}
	
	@Test
	public void test2() {
		Stack<Integer> s = new Stack<Integer>();
		s.push(1);
		assertEquals(2, s.size());
	}
	public static void main(String[] args) {
		unitTest ut= new unitTest();
		ut.test();
		ut.test2();
	}
	po chieu 123 02:13
}
